<template>
  <div class="icons">
      <swiper :options="swiperOption" ref="mySwiper">
        <swiper-slide v-for="(page, index) of pages" :key="index">
          <div class="icon" v-for="item of page" :key="item.id">
            <div class="icon-image">
              <img :src="item.imgUrl"/>
            </div>
            <p class="icon-desc">{{item.desc}}</p>
          </div>
        </swiper-slide>
      </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {}
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~@/assets/styles/varibles.styl'
  @import '~@/assets/styles/mixins.styl'
  .icons >>> .swiper-container
    height 0
    padding-bottom 50%
  .icons >>> .swiper-pagination-bullet-active
    // background #fff
  .icons
    margin-top .1rem
    .icon
      position relative
      float left
      width 25%
      height 0
      padding-bottom 25%
      overflow hidden
      .icon-image
        position absolute
        top 0
        left 0
        right 0
        bottom 0
        padding .1rem .27rem .44rem
        &:before
         display none
        img
          display block
          width 100%
          height 100%
      .icon-desc
        position absolute
        left 0
        right 0
        bottom 0
        height .44rem
        line-height .44rem
        text-align center
        color $darkTextColor
        ellipsis()
        // overflow hidden
        // white-space nowrap
        // text-overflow ellipsis
</style>
